节奏

rhythm; tempo; pace; beat; pulse; cadence; time; groove

欢快

lively; cheerful; joyful; cheery; bright; genial; merry; blithe; jolly; jaunty; perky; sprightly; upbeat; cheerfully; joyfully; merrily; blithely; lightheartedly; gaily; cheer; cheerfulness; lilt

歌曲

song; track; melody